please advice is there a way to check
that RAID1 read speed can be a bottleneck ?
like 3 VMs are more than NVME Raid can give
and that's why VMs are slow in responce

@gudge25 i disabled TCP Offload checksum errors

ethtool -K eth0 tx off rx off

but no luck

@gudge25 Strange is that

Host + 3 VMS started to use more CPU on exactly the same day (time)

Host:

VM1

VM2

VM3

@gudge25 POOL

@DustinB
Storage

Server itself

@olivierlambert my bad sorry
i have a server with 3 VMs on it
from a prev week without any reason CPU utilization doubles
and I noticed even on reboot VM Grub loads with a delay

so I'm wondering is there a way to check maybe one or all VMs started overload server

need advice how I can identify that
Regards

can you share your .tf file ?

@AtaxyaNetwork
https://pastebin.com/raw/q6qMn73M

and file

cloud_config.tftpl file used by the cloudinit templating.

#cloud-config
hostname: ${hostname}
fqdn: ${hostname}.${domain}
package_upgrade: true

@AtaxyaNetwork

https://registry.terraform.io/providers/terra-farm/xenorchestra/latest/docs/resources/vm

please

@AtaxyaNetwork
ok for example
we have parameter

installation_method - (Optional) This cannot be used with cdrom. Possible values are network which allows a VM to boot via PXE.

so when i add it
installation_method = "network"
i have another error

xenorchestra_vm.bar: Creating...
╷
│ Error: jsonrpc2: code 10 message: invalid parameters: {"errors":[{"instancePath":"/installation/repository","schemaPath":"#/properties/installation/properties/repository/minLength","keyword":"minLength","params":{"limit":1},"message":"must NOT have fewer than 1 characters"}]}
│ 
│   with xenorchestra_vm.bar,
│   on main.tf line 33, in resource "xenorchestra_vm" "bar":
│   33: resource "xenorchestra_vm" "bar" {
│ 
╵

@AtaxyaNetwork thanks for reply
i want to achieve VM creation from
1-ISO
and/or
2-from Network (PXE installation )

so i need 2 templates

@gudge25
i tried

data "xenorchestra_template" "template" {
    name_label = "CentOS 7"
}

and

data "xenorchestra_template" "template" {
    name_label = "Ubuntu Bionic Beaver 18.04"
}

same error

@AtaxyaNetwork
no it is existing

hi there
I am using this template
https://registry.terraform.io/providers/terra-farm/xenorchestra/latest/docs/resources/vm

so I created a file main.tf
with pretty same config from the example
(only template name is diff because i don't have the one that is in example)

https://pastebin.com/raw/qGQdCEUq

Terraform plan ->  OK
Terraform apply -> 
Error: cannot create a VM from a diskless template without an ISO │  │   with xenorchestra_vm.bar, │   on main.tf line 33, in resource "xenorchestra_vm" "bar": │   33: resource "xenorchestra_vm" "bar" { │

hi there
trying to use CentOS 8.0 template from
Xen Hub /#/hub/templates
SSH key added on Creating stage

but connection is refused
ssh -v centos@ssh -v centos@144.76.45.XXX

centos@144.76.45.XXX: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

if i use Debian template same key works with debian user
Regards